Armchair



FIG. 1 is a front perspective view of the chair showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view thereof.

The ornamental design for an armchair, as shown.